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平面向量基本定理
Author:
杨晓晨
Topic:
Vectors 2D (Two-Dimensional)
GeoGebra
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平行線的判定
第八周作业2
球体的截面
常见四边形是否是双心四边形
盈利與虧蝕
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面積相關問題(Area)
正六面體截面
科學記號
string art
CBTL_math_rcpet
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Trapezoid
Rhombus
Volume
Quadrilaterals
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